JP5461513B2 - 車両用ブレーキ液圧制御装置 - Google Patents
車両用ブレーキ液圧制御装置 Download PDFInfo
- Publication number
- JP5461513B2 JP5461513B2 JP2011283936A JP2011283936A JP5461513B2 JP 5461513 B2 JP5461513 B2 JP 5461513B2 JP 2011283936 A JP2011283936 A JP 2011283936A JP 2011283936 A JP2011283936 A JP 2011283936A JP 5461513 B2 JP5461513 B2 JP 5461513B2
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- JP
- Japan
- Prior art keywords
- wheel
- hydraulic pressure
- brake
- wheels
- front wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 43
- 238000010586 diagram Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
- B60T8/1764—Regulation during travel on surface with different coefficients of friction, e.g. between left and right sides, mu-split or between front and rear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/50—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition having means for controlling the rate at which pressure is reapplied to or released from the brake
- B60T8/505—Pressure reapplication in a mu-split situation, i.e. a situation with different coefficients of friction on both sides of the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Description
13・・・液圧制御装置
25A,25B,25C,25D・・・車輪減速度算出手段
28・・・スプリット路判定手段
BA,BB,BC,BD・・・車輪ブレーキ
WA,WB・・・前輪
WC,WD・・・後輪
Claims (1)
- 左右の前輪(WA,WB)および左右の後輪(WC,WD)の車輪ブレーキ(BA,BB,BC,BD)に作用せしめるブレーキ液圧を個別に増減調整可能な液圧調整ユニット(12)と、前輪(WA,WB)および後輪(WC,WD)の接地路面の摩擦係数が左右で大きく異なるスプリット路であるか否かを判定するスプリット路判定手段(28)とを備え、アンチロックブレーキ制御時に前記スプリット路判定手段(28)の判定結果がスプリット路である状態では左右の車輪ブレーキ(BA,BB;BC,BD)のブレーキ液圧間の差圧が許容差圧以下となるように前記液圧調整ユニット(12)の作動を制御する車両用ブレーキ液圧制御装置において、
前輪(WA,WB)および後輪(WC,WD)の車輪減速度を車輪速度の減少時に負の値として個別に算出する車輪減速度算出手段(25A,25B,25C,25D)を含み、前記スプリット路判定手段(28)は、左右の前輪(WA,WB)のうち少なくとも一方のアンチロックブレーキ制御開始時もしくは左右の後輪(WC,WD)のうち少なくとも一方のアンチロックブレーキ制御開始時に、前記車輪減速度算出手段(25A,25B,25C,25D)で算出された前輪(WA,WB)および後輪(WC,WD)の車輪減速度の最大値が第1の所定値以上であってアンチロックブレーキ制御状態にある左右の前輪(WA,WB)もしくは左右の後輪(WC,WD)の車輪減速度の差が第2の所定値以上であるときにスプリット路であると判定することを特徴とする車両用ブレーキ液圧制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011283936A JP5461513B2 (ja) | 2011-12-26 | 2011-12-26 | 車両用ブレーキ液圧制御装置 |
US13/724,716 US9248814B2 (en) | 2011-12-26 | 2012-12-21 | Vehicle brake hydraulic pressure control apparatus |
CN201210599359.6A CN103171536B (zh) | 2011-12-26 | 2012-12-26 | 车辆用制动液压控制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011283936A JP5461513B2 (ja) | 2011-12-26 | 2011-12-26 | 車両用ブレーキ液圧制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013132973A JP2013132973A (ja) | 2013-07-08 |
JP5461513B2 true JP5461513B2 (ja) | 2014-04-02 |
Family
ID=48631867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011283936A Active JP5461513B2 (ja) | 2011-12-26 | 2011-12-26 | 車両用ブレーキ液圧制御装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9248814B2 (ja) |
JP (1) | JP5461513B2 (ja) |
CN (1) | CN103171536B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8915554B2 (en) | 2011-09-28 | 2014-12-23 | Nissin Kogyo Co., Ltd. | Vehicle brake fluid pressure control apparatus |
EP2574513B1 (en) * | 2011-09-28 | 2017-08-02 | Autoliv Nissin Brake Systems Japan Co., Ltd. | Vehicle brake fluid pressure control apparatus |
JP6387949B2 (ja) * | 2015-12-11 | 2018-09-12 | 株式会社アドヴィックス | 車両のブレーキ制御装置 |
JP6656048B2 (ja) * | 2016-03-30 | 2020-03-04 | ヴィオニア日信ブレーキシステムジャパン株式会社 | 車両用ブレーキ液圧制御装置 |
JP2018098868A (ja) * | 2016-12-12 | 2018-06-21 | Ntn株式会社 | 車両制御装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2709467B2 (ja) | 1988-03-24 | 1998-02-04 | 日本エービーエス株式会社 | 車両用アンチスキッド制御装置における制御方法 |
JPH07132816A (ja) * | 1993-11-09 | 1995-05-23 | Akebono Brake Ind Co Ltd | アンチロック制御方法 |
US5551769A (en) * | 1995-02-06 | 1996-09-03 | Kelsey-Hayes Company | Method and system for split mu control for anti-lock brake systems |
JP3072643B2 (ja) | 1997-05-16 | 2000-07-31 | トヨタ自動車株式会社 | 車両用制動制御装置 |
JPH1159386A (ja) | 1997-08-27 | 1999-03-02 | Toyota Motor Corp | 制動液圧制御装置 |
JPH11152027A (ja) * | 1997-11-21 | 1999-06-08 | Akebono Brake Ind Co Ltd | アンチロック制御方法 |
JP4077613B2 (ja) * | 2001-05-30 | 2008-04-16 | トヨタ自動車株式会社 | 車輌用制動制御装置 |
JP2003089351A (ja) * | 2001-09-18 | 2003-03-25 | Hitachi Unisia Automotive Ltd | ブレーキ制御装置 |
JP4151389B2 (ja) | 2002-11-26 | 2008-09-17 | トヨタ自動車株式会社 | 車輌の挙動制御装置 |
JP4239725B2 (ja) | 2003-07-30 | 2009-03-18 | トヨタ自動車株式会社 | 車両および車両の制御方法 |
US7331642B2 (en) * | 2005-06-30 | 2008-02-19 | Kelsey-Hayes Company | Method for applying torque overlay during split-mu braking conditions |
JP4705519B2 (ja) * | 2005-07-28 | 2011-06-22 | 日信工業株式会社 | 車両用ブレーキ圧制御装置 |
DE502006003630D1 (de) * | 2005-09-14 | 2009-06-10 | Continental Teves Ag & Co Ohg | Verfahren zum ermitteln einer inhomogenen fahrbahn |
DE102007015889B4 (de) | 2007-04-02 | 2023-10-05 | Bayerische Motoren Werke Aktiengesellschaft | Bremsregelungsanlage für Kraftfahrzeuge |
JP5326413B2 (ja) * | 2007-10-12 | 2013-10-30 | 株式会社アドヴィックス | アンチスキッド制御装置 |
JP5104419B2 (ja) * | 2008-03-10 | 2012-12-19 | トヨタ自動車株式会社 | 車両運動制御システム |
JP5284241B2 (ja) * | 2009-10-08 | 2013-09-11 | 日信工業株式会社 | 車両用ブレーキ圧制御装置 |
-
2011
- 2011-12-26 JP JP2011283936A patent/JP5461513B2/ja active Active
-
2012
- 2012-12-21 US US13/724,716 patent/US9248814B2/en active Active
- 2012-12-26 CN CN201210599359.6A patent/CN103171536B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN103171536B (zh) | 2016-06-15 |
US20130184956A1 (en) | 2013-07-18 |
CN103171536A (zh) | 2013-06-26 |
JP2013132973A (ja) | 2013-07-08 |
US9248814B2 (en) | 2016-02-02 |
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